Virginia Cooperative ExtensionClauer, Phillip J.2013-07-302013-07-302005http://hdl.handle.net/10919/23459[4] pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.LD5655 .A762 no.408Chickens -- Embryos -- Study and teachingPoultry -- Study and teachingExtension publication